Home / 469,431.25-647,849.92-262,720.35

Finding the Fourth Proportional to 469,431.25, 647,849.92 and 262,720.35

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Solution

The fourth proportional to 469,431.25, 647,849.92 and 262,720.35 is: 362,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,431.25 : 647,849.92 = 262,720.35 : x
  2. Step 2: Convert to fraction form
    469,431.25/647,849.92 = 262,720.35/x
  3. Step 3: Cross multiply
    469,431.25x = 647,849.92 × 262,720.35
  4. Step 4: Simplify right side
    469,431.25x = 170,203,356,416.27
  5. Step 5: Solve for x
    x = 170,203,356,416.27/469,431.25
  6. Step 6: Final answer
    x = 362,573.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.